老熟女洗澡MaTUREPOM

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        Means of geological exploration

        On the basis of geological observation and research, according to the requirements of the task, the principle of obtaining more and better geological results in a relatively short time and less work, and selecting the necessary technical means or methods, such as surveying and mapping, geophysical exploration, geochemical prospecting, drilling, pit exploration, sampling testing, geological remote sensing and so on. . The use or construction process of these methods is also the scope of geological exploration.

        老熟女洗澡MaTUREPOM